Restricting Access to ADSL Modem

I have a D-Link-G604T ADSL-2 modem and I want to restrict all access
(wired and wireless) by MAC Address. I've figured out how to do the
wireless part by creating an access list, but how do I restrict access
to the 4 ethernet ports to those same MAC addresses?

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Chris Lim wrote:
> I have a D-Link-G604T ADSL-2 modem and I want to restrict all access
> (wired and wireless) by MAC Address. I've figured out how to do the
> wireless part by creating an access list, but how do I restrict access
> to the 4 ethernet ports to those same MAC addresses?

Well, the people who have physical access to the modem aren't that IT
savy so I'm not too worried about that (unless it's super easy to do,
I've never looked into it!).

I have a situation where someone doesn't want to contribute to the
internet bill in a shared house when they are the heaviest user, so if
it gets to the point where they refuse to pay then I want to make sure
they don't get internet access through their computer.

On Oct 24, 11:26 pm, Collector€NZ <> wrote:
> Chris Lim wrote:
> > I have a D-Link-G604T ADSL-2 modem and I want to restrict all access
> > (wired and wireless) by MAC Address. I've figured out how to do the
> > wireless part by creating an access list, but how do I restrict access
> > to the 4 ethernet ports to those same MAC addresses?
>
> Network security is not just a IT thing!
>
> Rule one is protect physical access to equipment
> Rule two put in a capable fire wall
> rule three don't trust your protection and monitor everything
>
> there are about 19 more rules.
>
> Tell us what you wish to achieve and we may be able to help.
>
> Now reading between the lines, making a few assumptions!
>
> You have a WiFi that is also your internal lan connection to the net
>
> you also have others that you allow to use this internally by ethernet
> (poor you)
>
> Come back with some details we will of course (not me no never me)
> lambast you and critic the situation but you will get some good advice

See my reply to Lawrence. Short story is shared accomodation, one
person doesn't want to contribute to internet bill and I may need to
stop them freeloading.

On Oct 24, 11:42 pm, Collector€NZ <> wrote:
> Turn on DHCP in your adsl router and deny there mac, or better deny all
> macs except those who contribute. Would not stop me for more than a
> minute but if they are not It sav it will do, the only sure way is to
> disconnect the physical layer and protect that disconnection.

In the DHCP config there is a section under the Static IP config where
I can enter a list of IP/MAC address combo's. I tested it out by
limiting the internal IP range to 2 addresses (10.1.1.2 - 10.1.1.3)
and assigning a dummy MAC address to the one that was free (the other
was used by my computer). When I tried connecting (wirelessly) via my
PS3 the connection was successful and the spare IP address assigned,
even though the MAC address didn't match. So this list doesn't seem to
restrict access to just those IP/MAC address combo's for some reason.
> But surely if you have a non compliant person he/she should be gone

Chris Lim <> wrote in news:7856ce6b-78cf-47cd-aba6-:
> I have a D-Link-G604T ADSL-2 modem and I want to restrict all access
> (wired and wireless) by MAC Address. I've figured out how to do the
> wireless part by creating an access list, but how do I restrict access
> to the 4 ethernet ports to those same MAC addresses?
>

Chris Lim wrote:
> I have a situation where someone doesn't want to contribute to the
> internet bill in a shared house when they are the heaviest user, so if
> it gets to the point where they refuse to pay then I want to make sure
> they don't get internet access through their computer.

If they are not contributing to the internet access then why are they
connected to the router?

Surely the simpllst thing to do is to unplug them and if they plug it
back in then kick them out?

On Oct 25, 2:20 pm, Richard <> wrote:
> Chris Lim wrote:
> > I have a situation where someone doesn't want to contribute to the
> > internet bill in a shared house when they are the heaviest user, so if
> > it gets to the point where they refuse to pay then I want to make sure
> > they don't get internet access through their computer.
>
> If they are not contributing to the internet access then why are they
> connected to the router?
>
> Surely the simpllst thing to do is to unplug them and if they plug it
> back in then kick them out?

Yeah that'll be the plan. It's just when nobody else is home that I
was thinking of, but I don't think it'll be a problem.

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